/*
 * Copyright 2017 - 2025 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see [https://www.gnu.org/licenses/]
 */

package infra.annotation.config.web;

import org.jspecify.annotations.Nullable;

import java.util.List;

import infra.aot.hint.RuntimeHints;
import infra.aot.hint.RuntimeHintsRegistrar;

/**
 * {@link RuntimeHintsRegistrar} for default locations of web resources.
 *
 * @author Stephane Nicoll
 * @author <a href="https://github.com/TAKETODAY">海子 Yang</a>
 * @since 5.0
 */
public class WebResourcesRuntimeHints implements RuntimeHintsRegistrar {

  private static final List<String> DEFAULT_LOCATIONS = List.of(
          "META-INF/resources/", "resources/", "static/", "public/");

  @Override
  public void registerHints(RuntimeHints hints, @Nullable ClassLoader classLoader) {
    ClassLoader classLoaderToUse = (classLoader != null) ? classLoader : getClass().getClassLoader();
    String[] locations = DEFAULT_LOCATIONS.stream()
            .filter((candidate) -> classLoaderToUse.getResource(candidate) != null)
            .map((location) -> location + "**")
            .toArray(String[]::new);
    if (locations.length > 0) {
      hints.resources().registerPattern((hint) -> hint.includes(locations));
    }
  }

}
